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MMSI · Merit Medical Systems Inc · Shareholders & Ownership

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$93.44 +2.04 (+2.23%)
Market Cap
$5.46B
Shares
59.71M
Volume · Oct 22 285.74K Avg daily vol (3M) 783.16K

Every disclosed holder of MMSI in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.

Who Owns MMSI

13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions

No chart: the summed disclosures exceed shares outstanding, so they are not parts of one whole.

Holder group Shares % Out
Institutional (13F) 62,636,873 104.90%
Insiders (Forms 3, 4, 5) 1,592,560 2.67%
13D/G-only blocks 0 0.00%
Remaining 4,519,013 -7.57%
Registered funds (N-PORT, not summed) 29,906,275 50.09%

Shares outstanding: 59,710,420, the issuer's latest cover-page count restated onto today's split basis.

Remaining is negative: the summed disclosures exceed shares outstanding, as when filings are dated at different times or holders that do not disclose their links count the same shares. It is flagged, not clipped.

13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.

Holders of MMSI

# Holder Shares
1
BlackRock, Inc.
13F CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
9,464,542
1.1
iShares Core S&P Small-Cap ETF
Fund S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
3,594,079
1.2
iShares Russell 2000 ETF
Fund S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
1,555,862
1.3
iShares Russell 2000 Value ETF
Fund S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
500,684
1.4
iShares S&P Small-Cap 600 Growth ETF
Fund S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
338,084
1.5
iShares S&P Small-Cap 600 Value ETF
Fund S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
190,048
2
VANGUARD PORTFOLIO MANAGEMENT LLC
13F CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
3,473,833
3
VANGUARD CAPITAL MANAGEMENT LLC
13F CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
2,590,454
4
STATE STREET CORP
13F CIK 93751 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
2,474,512
4.1
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
545,703
4.2
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
216,135
4.3
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
113,367
4.4
State Street(R) SPDR(R) S&P(R) Health Care Equipment ETF
Fund S000012330 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
37,092
4.5
State Street Institutional Small-Cap Equity Fund
Fund S000001631 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL FUNDS, not summed
25,300
5
Conestoga Capital Advisors, LLC
13F CIK 1163744 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,979,790
5.1
CONESTOGA SMALL CAP FUND
Fund S000004756 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
958,075
5.2
CONESTOGA SMID CAP FUND
Fund S000043859 · Registered fund · Jun 30, 2026
Conestoga Funds, not summed
192,433
6
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,802,360
7
GEODE CAPITAL MANAGEMENT, LLC
13F CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,625,950
8
FULLER & THALER ASSET MANAGEMENT, INC.
13F CIK 1082327 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,613,002
9
FULLERTHALER BEHAVIORAL SMALL CAP EQUITY
Fund S000051163 · Registered fund · Jun 30, 2026
Capitol Series Trust, not summed
1,543,773
10
DIMENSIONAL FUND ADVISORS LP
13F CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,458,823
10.1
U.S. SMALL CAP PORTFOLIO
Fund S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
264,473
10.2
Dimensional U.S. Small Cap ETF
Fund S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
198,844
10.3
U.S. Targeted Value Portfolio
Fund S000000970 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
124,911
10.4
Dimensional U.S. Targeted Value ETF
Fund S000070901 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
114,374
10.5
U.S. MICRO CAP PORTFOLIO
Fund S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
105,351
11
VANGUARD SMALL-CAP INDEX FUND
Fund S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
1,299,239
12
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,279,152
12.1
Nomura Small Cap Core Fund
Fund S000002400 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
579,560
12.2
Nomura Small Cap Value Fund
Fund S000002401 · Registered fund · May 29, 2026
Delaware Group Equity Funds V, not summed
279,898
12.3
Nomura VIP Small Cap Value Series
Fund S000002475 · Registered fund · Jun 30, 2026
Delaware VIP Trust, not summed
189,300
13
CONGRESS ASSET MANAGEMENT CO
13F CIK 897378 · Registered investment adviser · Sep 30, 2026
1,260,675
13.1
Congress Small Cap Growth Fund
Fund S000058028 · Registered fund · Jul 31, 2026
Professionally Managed Portfolios, not summed
605,000
14
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
13F CIK 1644956 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,137,790
14.1
William Blair Small Cap Growth Fund
Fund S000008602 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
265,190
14.2
William Blair Small-Mid Cap Core Fund
Fund S000066499 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
44,806
14.3
William Blair Growth Fund
Fund S000008594 · Registered fund · Jun 30, 2026
WILLIAM BLAIR FUNDS, not summed
14,932
15
Lampropoulos Fred P.
Insider CIK 901534 · Nov 25, 2025
Director, issuer-wide
1,126,457
16
Greenhouse Funds LLLP
13F CIK 1626220 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,072,098
17
CITIGROUP INC
13F CIK 831001 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
1,022,497
18
FMR LLC
13F CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,012,810
18.1
Fidelity Small Cap Index Fund
Fund S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
653,003
18.2
Fidelity Extended Market Index Fund
Fund S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
306,848
18.3
Strategic Advisers Fidelity U.S. Total Stock Fund
Fund S000061481 · Registered fund · May 31, 2026
Fidelity Rutland Square Trust II, not summed
231,720
18.4
Fidelity Advisor Small Cap Fund
Fund S000005115 · Registered fund · May 31, 2026
Fidelity Advisor Series I, not summed
206,200
18.5
Fidelity Small Cap Discovery Fund
Fund S000055370 · Registered fund · Jul 31, 2026
Fidelity Concord Street Trust, not summed
126,100
19
WESTWOOD HOLDINGS GROUP INC
13F CIK 1165002 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
1,011,377
20
MORGAN STANLEY
13F CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,006,891
20.1
E*TRADE No Fee Total Market Index Fund
Fund S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
89
21
NEUBERGER BERMAN GROUP LLC
13F CIK 1465109 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
1,002,168
22
MAVERICK CAPITAL LTD
13F CIK 934639 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
978,617
23
PRICE T ROWE ASSOCIATES INC /MD/
13F CIK 80255 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
958,736
23.1
T. Rowe Price Integrated U.S. Small-Cap Growth Equity Fund
Fund S000002074 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
462,282
23.2
T. Rowe Price Integrated U.S. Small-Mid Cap Core Equity Fund
Fund S000052904 · Registered fund · Jun 30, 2026
T. ROWE PRICE INTEGRATED EQUITY FUNDS, INC., not summed
82,840
23.3
T. Rowe Price Extended Equity Market Index Fund
Fund S000002090 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
9,101
23.4
T. Rowe Price Small-Cap Index Fund
Fund S000051327 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
9,024
23.5
T. Rowe Price Total Equity Market Index Fund
Fund S000002091 · Registered fund · Jun 30, 2026
T. ROWE PRICE INDEX TRUST, INC., not summed
3,388
24
CITADEL ADVISORS LLC
13F CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
909,863
25
ROYAL BANK OF CANADA
13F CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
826,944
26
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
750,481
27
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
743,937
27.1
Schwab U.S. Small-Cap ETF
Fund S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
285,167
27.2
Schwab Small-Cap Index Fund
Fund S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
145,328
27.3
Schwab Fundamental U.S. Small Company ETF
Fund S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
74,919
27.4
Schwab Total Stock Market Index Fund
Fund S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
37,243
27.5
Schwab U.S. Broad Market ETF
Fund S000026631 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
34,888
28
NORGES BANK
13F CIK 1374170 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
711,160
29
NORTHERN TRUST CORP
13F CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
709,267
29.1
Small Cap Index Fund
Fund S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
30,288
29.2
Small Cap Core Fund
Fund S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
7,886
29.3
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
1,106
30
VANGUARD EXTENDED MARKET INDEX FUND
Fund S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
684,873
31
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
13F CIK 912938 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
679,195
31.1
MFS New Discovery Fund
Fund S000000765 · Registered fund · May 31, 2026
MFS SERIES TRUST I, not summed
444,414
31.2
MFS New Discovery Series
Fund S000002680 · Registered fund · Jun 30, 2026
MFS VARIABLE INSURANCE TRUST, not summed
182,828
31.3
MFS Global Alternative Strategy Fund
Fund S000019515 · Registered fund · Jul 31, 2026
MFS Series Trust XV, not summed
1,407
32
JPMORGAN CHASE & CO
13F CIK 19617 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
644,037
33
Nuveen, LLC
13F CIK 1871926 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
594,794
33.1
College Retirement Equities Fund - Total Global Stock Account
Fund S000005080 · Registered fund · Jun 30, 2026
College Retirement Equities Fund, not summed
274,425
33.2
Nuveen Small Cap Select Fund
Fund S000005569 · Registered fund · Jul 31, 2026
Nuveen Investment Funds, Inc., not summed
83,307
33.3
Nuveen Small Cap Blend Index Fund
Fund S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
79,156
33.4
Nuveen Quant Small/Mid Cap Equity Fund
Fund S000054623 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
62,330
33.5
Nuveen Equity Index Fund
Fund S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
54,703
34
Irenic Capital Management LP
13F CIK 1929389 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
542,589
35
Aberdeen Group plc
13F CIK 1716774 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
538,196
35.1
abrdn U.S. Small Cap Equity Fund
Fund S000020297 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
121,768
35.2
abrdn Focused U.S. Small Cap Active ETF
Fund S000088604 · Registered fund · Jul 31, 2026
abrdn Funds, not summed
3,718
36
BANK OF AMERICA CORP /DE/
13F CIK 70858 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
534,412
37
WELLS FARGO & COMPANY/MN
13F CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
523,502
38
GOLDMAN SACHS GROUP INC
13F CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
508,223
38.1
Goldman Sachs Small Cap Value Insights Fund
Fund S000014929 · Registered fund · Jul 31, 2026
Goldman Sachs Trust, not summed
41,079
38.2
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
11,832
38.3
Goldman Sachs Multi-Manager Global Equity Fund
Fund S000049146 · Registered fund · Jul 31, 2026
Goldman Sachs Trust II, not summed
2,186
38.4
Goldman Sachs Absolute Return Tracker Fund
Fund S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
1,409
39
UBS Group AG
13F CIK 1610520 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
495,598
40
MANUFACTURERS LIFE INSURANCE COMPANY, THE
13F CIK 928047 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
484,435
40.1
Small Cap Core Fund
Fund S000043450 · Registered fund · Jul 31, 2026
John Hancock Investment Trust, not summed
322,867
40.2
Small Cap Dynamic Growth Fund
Fund S000003363 · Registered fund · May 31, 2026
John Hancock Funds II, not summed
29,375
40.3
John Hancock Multifactor Small Cap ETF
Fund S000059464 · Registered fund · Jun 30, 2026
John Hancock Exchange-Traded Fund Trust, not summed
22,548
41
OBERWEIS ASSET MANAGEMENT INC/
13F CIK 937886 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
473,409
41.1
Oberweis Small-Cap Opportunities Fund
Fund S000010232 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
401,700
41.2
Oberweis Global Opportunities Fund
Fund S000010230 · Registered fund · Jun 30, 2026
OBERWEIS FUNDS, not summed
8,700
42
Boston Trust Walden Corp
13F CIK 1534866 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
472,856
43
FRONTIER CAPITAL MANAGEMENT CO LLC
13F CIK 351173 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
468,540
44
AQR CAPITAL MANAGEMENT LLC
13F CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
464,201
44.1
AQR Small Cap Multi-Style Fund
Fund S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
17,004
44.2
AQR Small Cap Momentum Style Fund
Fund S000025644 · Registered fund · Mar 31, 2026
AQR Funds, not summed
2,701
45
NOMURA HOLDINGS INC
13F CIK 1163653 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
440,736
46
TWO SIGMA INVESTMENTS, LP
13F CIK 1179392 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
434,687
47
Bank of New York Mellon Corp
13F CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
410,578
47.1
BNY Mellon US Small Cap Core Equity ETF
Fund S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
2,237
48
Champlain Investment Partners, LLC
13F CIK 1315478 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
403,922
48.1
Champlain Small Company Fund
Fund S000005803 · Registered fund · Jun 30, 2026
ADVISORS' INNER CIRCLE FUND II, not summed
160,000
49
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
397,984
50
VANGUARD FIDUCIARY TRUST CO
13F CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
397,613

70 more nested rows are not shown here; Every filing lists them all.

Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.

Showing 1–50 of 586 holders

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Key facts CIK 856982 CUSIP 589889104 13F (30d) 64 filings 62 filers Visit website Investor relations